Coefficients in expansion of Sum_{n >= 1} x^n/(1-x^n)^4.

Terms

a(0) =0a(1) =1a(2) =5a(3) =11a(4) =25a(5) =36a(6) =71a(7) =85a(8) =145a(9) =176a(10) =260a(11) =287a(12) =455a(13) =456a(14) =649a(15) =726a(16) =961a(17) =970a(18) =1376a(19) =1331a(20) =1820a(21) =1866a(22) =2315a(23) =2301a(24) =3175a(25) =2961a(26) =3736a(27) =3830a(28) =4729a(29) =4496